ZENAIR CH2000 SERVICE MANUAL
________________________________________________________________________
REMOVAL/INSTALLATION OF RUDDER CONTROL CABLES - Fig. 18
REMOVAL
1. Disconnect both rudder control cables by removing the nuts and bolts at the rudder horn and rudder pedals.
2. Open the fuselage access panel. (Fig. 2)
3. Remove the fairleads.
4. Remove the cables.
REINSTALL the controls in reverse order of removal. Check the rigging:
RUDDER CONTROL RIGGING - Fig. 18
1. Adjust cable tension to 22 lbs.
2. With the nose wheel centered and pedals in line at 170mm from Firewall (Fig. 18 - see also nose wheel alignment
in Section V).
3. The rudder is centered.
4. Check travel limits 21.5
(
1.5
) left and right. (For non spinable airplanes see Fig. 18)
5. Check all components and connections for condition, proper installation, operation and safety.
6. Rudder Turnbuckles can be adjusted for level flight.
FLAP CONTROLS - Fig. 16
REMOVAL
1. Lower the flaps.
2. Remove the fairings.
3. Disconnect the control rods.
4. Open the fuselage access panel (Fig. 2).
5. Disconnect the actuator lever by removing the four bolts on the interconnecting tubes
and indicator cable, liberating the actuator lever.
6. Pull the interconnecting tubes out.
REINSTALL in reverse order of removal.
FLAP CONTROL RIGGING
The relative position of the control levers and the actuator lever is shown on Fig. 16.
1. Adjust the rod length for flaps up.
2. Check the full flaps down travel limit 50
(
3
).
3. Check all components and connections for condition, proper installation ,operation and safety.
FLAP ACTUATOR UNIT
REMOVAL
1. Open the fuselage access panel.
2. Disconnect the electric connector.
3. Remove the bolts at bottom and top of actuator.
4. Remove the actuator.
REINSTALL in reverse order of removal.
Check all connections for proper condition, installation and safety.
Check for proper operation.
CONTROL SYSTEM - WEAR OF JOINTS
- The wear tolerance on hinges, etc. is maximum .5mm (.020”) which is easily measured.
- In particular:
5mm (3/32”) “floppiness” maximum at the stabilator tip.
3mm (1/8”) “floppiness” maximum at rudder tip.
- When the wear reaches above limits, replace the bushings. (See Section IV)
Nov-02
7.3
